AU2009248796B2 - All-purpose cleaning compositions - Google Patents

Abstract

The present invention relates to surfactant-based all-purpose cleaners useful for cleaning surfaces including household hard surfaces as well as glass. The cleaning compositions comprise an anionic sulfonate surfactant, a non-ionic aliphatic ethoxylated surfactant, an alcohol, and a residue-reducing agent. The cleaning compositions of the invention are effective in removing soils such as grease soil and in leaving un-rinsed or unwiped surfaces residue free.

Description

TITLE OF THE INVENTION All-Purpose Cleaning Compositions CROSS REFERENCE TO RELATED APPLICATIONS [0001] This application claims priority to U.S. Application Serial No. 61/055,504, filed on 23 May 2008, which is incorporated herein by reference. BACKGROUND OF THE INVENTION [00021 The present invention relates to surfactant-based all-purpose liquid cleaning compositions designed in particular for cleaning household hard surfaces as well as glass surfaces, which are effective in removing soils such as grease soil while also leaving un rinsed or unwiped surfaces residue free. [00031 In recent years liquid detergents have become widely accepted for cleaning hard surfaces, for example, painted woodwork and panels, tiled walls, wash bowls, bathtubs and other bathroom fixtures, linoleum or tile floors, or washable wall paper. Such "all-purpose" liquids may include clear and opaque aqueous mixtures of water-soluble synthetic organic detergents and water-soluble detergent builder salts. In order to achieve comparable cleaning efficiency with granular or powdered all-purpose cleaning compositions, use of water-soluble inorganic phosphate builder salts has generally been favored in currently known all-purpose liquids. [00041 However, such currently known all-purpose liquid detergents containing detergent builder salts or other equivalents tend to leave films, spots or streaks on cleaned un-rinsed surfaces, particularly shiny surfaces. Thus, such liquids require thorough rinsing of the cleaned surfaces, which is a time-consuming chore for the user. [00051 Consequently, there remains a need for all-purpose liquid cleaning compositions designed in particular for cleaning household hard surfaces as well as glass surfaces, which are both versatile and effective in removing soils such as grease soil, and also in leaving un rinsed surfaces residue free, ideally with a shiny appearance. [0005a] Any discussion of documents, acts, materials, devices, articles or the like which has been included in the present specification is not to be taken as an admission that any or all of these matters form part of the prior art base or were common general knowledge in the field relevant to the present invention as it existed before the priority date of each claim of this application. [0005b] Throughout this specification the word "comprise", or variations such as "comprises" or "comprising", will be understood to imply the inclusion of a stated element, integer or step, or group of elements, integers or steps, but not the exclusion of any other element, integer or step, or group of elements, integers or steps. BRIEF SUMMARY OF THE INVENTION 10005c] The present invention provides a non-emulsion cleaning composition comprising: (i) 0.1% to 5% of a CIO-C 14 linear alkyl benzene sulfonate surfactant; (ii) 0.1% to 5% of a non-ionic C 9 -CII aliphatic ethoxylated surfactant; (iii) 0.1 to 5 % of ethanol; (iv) 0.0 1% to 2% of a maleic acid/olefin copolymer sodium salt; and (v) optional ingredients. [00061 A non-emulsion cleaning composition comprising: (i) about 0.1% to about 5%, or 0.2% to 2.5%, of an anionic sulfonate surfactant; (ii) about 0.1% to about 5%, or 0.2% to 2%, of a non-ionic aliphatic ethoxylated surfactant; (iii) about 0.1 to about 5 % of an alcohol; and (iv) about 0.0 1% to about 2% of a residue-reducing agent. la WO 2009/143510 PCT/US2009/045146 Attorney Docket No.: 7989-00-WO-HC [00071 A non-emulsion cleaning composition comprising: (i) about 0.1% to about 5% of a CwO-C 14 linear alkyl sulfonate surfactant; (ii) about 0.1% to about 5%"0 of a non-ionic C 9 -CI aliphatic ethoxylated surfactant; (iii) about 0.1 to about 5 %; ethanol; and (iv) about 0.0 1% to about 2% of a maleic acid/olefin copolymer sodium salt. DETAILED DESCRIPTION OF THE INVENTION [00081 As used throughout, ranges are used as shorthand for describing each and every value that is within the range. Any value within the range can be selected as the terminus of the range. In addition, all references cited herein are hereby incorporated by reference in their entireties. In the event of a conflict in a definition in the present disclosure and that of a cited reference, the present disclosure controls. [00091 Specifically, the invention relates to a household hard surface cleaner, which is not an emulsion, comprising an anionic sulfonate surfactant, a non-ionic aliphatic ethoxylated surfactant, an alcohol, and a residue-reducing agent. In various embodiments, the all-purpose cleaners of the invention may be effective in removing soils such as grease soil from surfaces such as hard surfaces (including household surfaces), and in leaving un-rinsed or unwiped surfaces free of residue, in various embodiments with a shiny appearance. 100101 The present invention is directed, in certain embodiments, to an all-purpose liquid cleaning composition designed for cleaning household hard surfaces as well as glass surfaces and effective in removing grease soil and also in leaving un-rinsed or unwiped surfaces residue free, in various embodiments with a shiny appearance. In various embodiments, this composition comprises an anionic sulfonate surfactant, a non-ionic aliphatic ethoxylated surfactant, an alcohol, and a residue-reducing agent. In various embodiments, the composition further comprises an organic acid and water. [0011] In certain embodiments, a cleaning composition of the present invention comprises about 0.1% to about 5%, of an anionic sulfonate surfactant, about 0.1% to about 5% of a non ionic aliphatic ethoxylated surfactant, about 0.1% to about 5 % of an alcohol, and about 0.01% to about 2 % of a residue-reducing agent. In other embodiments, the amount of anionic sulfonate surfactant is 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, .8, 0.9, oI up to2 .5 3,3.5, 4, 4.5, or 5%. In other embodiments, the amount of non-ionic liphatic ethoxylated surfactant is 0.1. 0.2. 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9, or 1 up to 2, 2.5, 3. 3.5, 4, 4.5, or 5%. In other embodiments, the amount of alcohol is 0.1 0.2, 0. 3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9 or 1 up to 2, 2.5. 3, 3.5, 4, 4.5, o%. In othe embodiments, th amout of residue-reducing agent is 0-1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9, o up to 1, 1.5, or 2%. In certain embodiments, the 2 WO 2009/143510 PCT/US2009/045146 Attorney Docket No.: 7989-00-WO-HC composition may further comprise about 0.01% to about 5% of an organic acid or 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9, or I up to 2, 25, 3, 3.5, 4, 4.5, or 5% of the organic acid. [00121 In certain embodiments, a cleaning composition of the present invention comprises about 0.1% to about 5%, or 0.2% to 2.5%, of a CIO-C 14 linear alkyl sulfonate surfactant, about 0.1% to about 5%, or 0.2% to 2% of a non-ionic C-C 1 aliphatic ethoxylated surfactant, about 0.1% to about 5% ethanol, and about 0.01% to about 2% of a maleic acid/olefin copolymer. 100131 In certain embodiments, the present invention is directed to methods of removing soil from a surface, comprising the steps of applying a cleaning composition to the surface, and rinsing or wiping the surface, wherein the un-rinsed or unwiped parts of the surface are free of residue after the rinsing or wiping step. [00141 In various embodiments, the present invention is directed to an all-purpose cleaning composition comprising: (i) at least one anionic sulfonate surfactant, (ii) at least one non-ionic aliphatic ethoxylated surfactant, (iii) at least one alcohol solvent; and (iv) at least one residue-reducing agent. Anionic Surfactants [00151 The anionic sulfonate surfactants useful for the all-purpose cleaners of the present invention include water soluble anionic sulfonate surfactants and include, but are not limited to, sodium, potassium, ammonium, magnesium and ethanolammonium salts of linear C 8

-C

1 6 alkyl benzene sulfonates; C 10

-C

20 paraffin sulfonates, alpha olefin sulfonates containing 10 to 24 carbon atoms and C8-C,8 alkyl sulfates and mixtures thereof. Examples of suitable sulfonated anionic surfactants include, but are not limited to, alkyl mononuclear aromatic sulfonates, such as the higher alkylbenzene sulfonates containing 9 to 18 or 9 to 16 carbon atoms, the higher alkyl group in a straight or branched chain, or C 8 _1 5 alkyl toluene sulfonates and Cs-C s alkyl phenol sulfonates. In certain embodiments, the alkylbenzene sulfonate is a linear alkylbenzene sulfonate having a higher content of 3-ph enyl (or higher) isomers and correspondingly lower content (we ilbelow 50%) of 2-phenyl (or lower) isomers, such as those sulfonates wherein the benzene ring is attached mostly at the 3or higher (for example 4, 5. 6 or 7) position of the alkyl group and the content ththe isomers in which the benzene ring is attached in the 2 or i position correspondingly low. Illustrative materials are t forth inU.S. Pat. 3,320,74, especially those in which the alkyls are of 10 to 13 carbon WO 2009/143510 PCT/US2009/045146 Attorney Docket No.: 7989-00-WO-HC 100161 Other examples of suitable sulfonated anionic surfactants include, but are not limited to, those surface-active or detergent compounds, which contain an organic hydrophobic group containing generally 8 to 26 carbon atoms or 10 to 18 carbon atoms in their molecular structure and at least one water-solubilizing group selected from the group of sulfonate, sulfate and carboxylate so as to form a water-soluble detergent. Usually, the hydrophobic group will include a Cs-C 2 2 alkyl, alkyl or acyl group. Such surfactants are employed in the form of water-soluble salts and the salt-forming cation usually is selected from the group consisting of sodium, potassium, ammonium, magnesium and mono-, di- or tri-C 2

-C

3 alkanolammonium. In an illustrative embodiment the cations are sodium, magnesium or ammonium cations. [00 17] Other suitable anionic surfactants include the olefin sulfonates, including long-chain alkene sulfonates, long-chain hydroxyalkane sulfonates or mixtures of alkene sulfonates and hydroxyalkane sulfonates; as well as paraffin sulfonates containing 10 to 20, or 13 to 17 carbon atoms. [00181 In various embodiments, the anionic surfactant is present in an amount of about 0.01% to about 10%, about 0.1 % to about 5 %, about 0.01 % to about 3%, about I % to about 2% or about 1.5% of the cleaning composition. Nonionic Surfactants [00191 In certain embodiments, the compositions of the invention also comprise at least one water soluble aliphatic ethoxylated nonionic surfactant. Useful aliphatic ethoxylated nonionic surfactants include, for example, the primary aliphatic alcohol ethoxylates and secondary aliphatic alcohol ethoxylates. The length of the polyethenoxy chain can be adjusted to achieve the desired balance between the hydrophobic and hydrophilic elements. 100201 In certain embodiments, the nonionic surfactant includes the condensation products of a higher alcohol (e.g., an alkanol containing 8 to 16 carbon atoms in a straight or branched chain configuration) condensed with about 4 to about 20 moles of ethylene oxide, for example, lauryl or rnyristyl alcohol condensed with about 16 moles of ethylene oxide (EO), tridecanol condensed with about 6 to about i1 moles of EO, myristyl alcohol condensed with about 10 mole' of EO per mole of myristyl alcohol, the condensation product o EO with a cut of coconut fy al chol contain in a mInxtur of fatt alcohols with a kyl chains varying from 10 to 14 carbon atoms in length and herein the condensate contains either about 6 moles of EO per mole of totl alcohol or about 9 moles o EOer r mole of alcohol and tallow alcohol ethoxylates containing about 6 EO to about L1 O per mole of alcohol. 10021] In certain n bodiments, the nonionic surfactats ar the Neodo" ethoxylates (Shell 4 -Mar-23 1513 COLGATE 732-878-7660 11/13 PCT/US 2009/045 146 - 23-03-201C REPLACEbMENT SHEET Co.), which are higher aliphatic, primary alcohol containing about 9-15 carbon atoms, such as

C

9 -C I alkanol condensed with 4 to 10 moles of ethylene oxide (Neodol 91-8 or Neodol 91 5), C 1 2.1 3 alkanol condensed with 6.5 moles ethylene oxide (Neodol 23-6.5), C1l45 alkanol condensed with 12 moles ethylene oxide (Neodol 25-12), C 4 .is alkanol condensed with 13 moles ethylene oxide (Neodol* 45-13), and the like. Such etboxamers generally have an HLB (hydrophobic lipophilic balance) value of about 8 to 15 and give good 01W emulsification, whereas ethoxamers with HLB values below 7 contain less than 4 ethyleacoxide groups and tend to be poor emulsifiers and poor detergents. (0022] Additional water soluble alcohol ethylene oxide condensates contemplated by the present invention include, but are not limited to, the condensation products of a secondary aliphatic alcohol containing 8 to 18 carbon atoms in a straight or branched chahi configuration condensed with about 5 to about 30 moles of ethylene oxide. Examples of commercially available nonionic detergents of the foregoing type include CI -Cis secondary alkanol condensed with either 9 BO (Tergitol! 15-S-9) or 12 BO (Tergitol 15-S-12) marketed by Union Carbide. [0023] In certain embodiments of the invention, the water soluble ethoxylated and propoxylated nonionic surfactants that may be useful also include aliphatic ethoxylated and "propoxylated nonionic surfactants depicted by the formula: R- O--(CHCH 2 H0)x--(H2COH 2 0)y-H or H S R- - (CHgCH20)x- (CH2CHO-)-H wherein R is a branched chain alkyl group having 10 to 16 carbon atoms, for example, an isotridecyl group, and x and y are independently numbered from 1 to 20, In certain embodiments, the ethoxylated and propoxylated nonionic surfactant is one that Is available under, for example, the trade name PlurafaO 300 manufactured by BASF. [0024] In various embodiments, the aliphatic ethoxylated nonionic surfactant is present in an amount of about 0.019/ to about 10%, about 0.1 % to about 5%, about 0.01 % to about 3 %, about 1% to about 2 % or about 1 % of the cleaning composition. Alc-oo AMENDED SHEET fed at the EPO on Mar 23, 2010 20:18:43. Page 11 of 13 5 t0-Mar-23 1513 COLGATE 732-878-7660 12/13 PCT/US 2009/045 146 - 23-03-201C REPLACEMENT SHEET [0025] In various embodiments, the liquid cleaning compositions of the present invention comprise an alcohol. Useful alcohols may include, for example, methanol, ethanol, propanol, iso-propanol, n-butanol, and combinations thereof. Other alcohols suitable for use herein include diols or polyhydric alcohols such as glycerol; di-propylene glycol, polypropylene glycol, polyethylene glycol, butyl alcohol, butoxy-propoxy propanol, paraffin oil, 2 amino-2 methyl propanol, derivatives thereof, and combinations thereof [0026] In various embodiments, the alcohol may be present in an amount of about 0.01 % to about 10%, about 0.1 % to about 5%, about 0.0 1% to 3 %, about 1 % to 2 %, or about 1 % of the cleaning composition. Residae-Reducing Agent [0027] In various embodiments, the compositions of the present invention may also comprise a residue-reducing agent, which is an agent for reducing the amount of residue left on the surface being cleaned. Any agent kiown in the art for reducing the amount of residue can be used in the compositions ofthe present invention. [0028] In certain embodiments, the residue-reducing agent may be a copolymer. The copolymer may be, for example, an olefn/aleic acid copolymer. In other embodiments, the residue-reducing agent may be a sodium salt of a C-Cjo olefin/maleic acid copolymer having a molecular weight of about 5,000 to about 15,000. In certain embodiments, the copolymer contains about 10 % to about 90 % of C2.Co olefm monomer. Suitable olefin/maleic acid copolyners are available from, for example, BASF under the trade name SOKALAN CP 9 and Rohm and Haas under the trade name ACUSOL 420N and 480N, [0029] In various einbodiments, the residue-reducing agent may be present in an amount of about 0.01% to about 10 %, about 0.1% to about 5 %, about 0.01 % to about 3 %, about 1 % to about 2 %, or about 1 % of the cleaning composition. Optional Ingaredients [0030] The compositions of the present invention may include optional ingredients typically added to a cleaning compostion, including fragrances, perfumes, preservatives. sequestering agents, dyes, colorants, solvents and organic acids such as citric acid or acetie acid and the like, Optional ingredients that may be useful in the present compositions is a solvent, such as, e.g., glycol ether solvent For example, usefbl solvents include those that have low solubility in water, such as, e.g., propylene glycol n-butyl ether, dipropylene glycol n-butyl ether, dipropylene glycol n-propyl ether, ethylene glycol n-hexyl ether and the like. When present, AMENDED SHEET lived at tIt9M n uu solvents such as glycol 6 ether solvent or mixtures) present may not be large enough to promote the formation of a microemulsion or emulsion composition. [00321 Solubilizing agents such as ethanol, hexylene glycol, sodium chloride and/or sodium xylene or sodium xylene sulfonate may also be used to assist in solubilizing the surfactants in the cleaning compositions of the present invention. In certain embodiments, the viscosity of the cleaning compositions desirably will be similar to that of water. 100331 In various embodiments, the pH of the compositions of the present invention is about 6 to about 10, about 6.5 to about 9.5 or about 7 to about 9. The pH of the compositions can be adjusted by the addition of agents such as acids (e.g., organic acids) or bases (e.g., Na 2 0, caustic soda) to the compositions. 100341 In various embodiments, the compositions of the present invention may comprise an optional organic acid, such as, for example, formic acid (methanoic), acetic acid (ethanoic), lactic acid, propanoic, or combinations thereof. For example, acetic acid, which is present in vinegar, may be present in an amount of, in various embodiments, about 0.0 1% to about 5%, about 0.05% to about 4% or about 0.1% to about 3% of the cleaning composition. 100351 The compositions of the present invention have a wide number of usages in home care on hard surfaces like ceramic, varnished wood, vinyl, mirror, glasses, but also may be useful in fabric care, for example as prespotter on clothes or other fabric surfaces such as furniture or upholstery. [00361 The following examples illustrate liquid cleaning compositions of the described invention. Unless otherwise specified, all percentages are by weight. The exemplified compositions are illustrative only and do no limit the scope of the invention. It will be understood by those of skill in the art that numerous and various modifications can be made without departing from the spirit of the present invention. Example 1 [00371 Table I illustrates an illustrative embodiment of an all-purpose cleaning composition of the invention (Composition A), which includes an alcohol and a residue-reducing agent. Table 1: Illustrative Embodiment of an All-Purpose Cleaner of the Invention Ingredients Composition A Compartive

CIOC

14 linear alkyl benzene sulfonate 1.5 % 1.5% sodium 7 WO 2009/143510 PCT/US2009/045146 Attorney Docket No.: 7989-00-WO-HC Ingredients composition A Compartive NI (CoC Alcohol EO 7.5-8.1) 1 % 1% Alcohol _(Ethanol) 2o 0 Maleic Acid/Olefin Copolymer Na Salt 0.25 % 0 Minors, Water to 100% to 100% 100381 When the two compositions are used to clean glass panels and hard surfaces, Composition A provides a better grease cutting performance and leaves significantly reduced residues when compared to the comparative composition. [0039] The all-purpose liquid cleaning compositions according to the present invention are designed in particular for cleaning household hard surfaces and glass surfaces, and are shown to be more effective in removing grease soil and in leaving un-rinsed surfaces with a shiny appearance when compared with known dilutable window cleaners and known all-purpose cleaners. 8

Claims (12)

1. A non-emulsion cleaning composition comprising: (i) 0.1% to 5% of a CIO-C 14 linear alkyl benzene sulfonate surfactant; (ii) 0.1% to 5% of a non-ionic C 9 -CI aliphatic ethoxylated surfactant; (iii) 0.1 to 5 % of ethanol; 0.01% to 2% of a maleic acid/olefin copolymer sodium salt; and optional ingredients.

2. The composition of claim 1, further comprising an organic acid.

3. The composition of claim 2, wherein the acid is chosen from methanoic acid, propanoic acid, acetic acid or combinations or derivatives thereof.

4. The composition of claim 1 further comprising a surfactant is chosen from compounds of formulas: R- O- (CH 2 CH 2 20),- (CH 2 CH 2 CH 2 0)--H, and CH3 R -O - (CH 2 CH 2 0),- (C H 2 CHO -)-H wherein R is a linear or branched chain alkyl group having 8 to 16 carbon atoms, and x and y are independently numbered from I to 20.

5. The non-emulsion cleaning composition of claim I comprising: (i) 0.2% to 2.5% of the CIO-C 14 linear alkyl benzene sulfonate surfactant; (ii) 0.2% to 2% of the non-ionic C 9 -Cj 1 aliphatic ethoxylated surfactant; (iii) 0.1 to 5 % of the ethanol; and (iv) 0.0 1% to 2% of the maleic acid/olefin copolymer sodium salt.

6. The cleaning composition of claim 5, further comprising 0.01% to 3% of an organic acid chosen from methanoic acid, propanoic acid, acetic acid or combinations or derivatives thereof.

7. A method of removing soil from a surface, comprising the steps of applying a cleaning composition according to claim 1 to the surface, and rinsing or wiping part of the surface, wherein the un-rinsed or unwiped parts of the surface are free of residue after the rinsing or wiping step. 9

8. The cleaning composition of claim 5 comprising: (i) 1.5% of the CIO-C 4 linear alkyl benzene sulfonate surfactant; (ii) 1% of the non-ionic C 9 -C 11 aliphatic ethoxylated surfactant; (iii) 2% of the ethanol; and (iv) 0.25% of the maleic acid/olefin copolymer sodium salt.

9. Use of a cleaning composition according to anyone of the preceding claims for removing soil from a surface.

10. The cleaning composition substantially as hereinbefore described and excluding, if any, comparative examples.

11. The method of claim 7 substantially as hereinbefore described and excluding, if any, comparative examples.

12. The use of a cleaning composition according to claim 9 substantially as hereinbefore described and excluding, if any, comparative examples. 10